e1e8681d20f9a6b12ee86e10b9f4c123f057ecf270018449aac422d6b14f9037

Analysis

max time kernel
141s
max time network
126s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
19-01-2024 10:16

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General

Target

675c96d4fe5ac90a7d408f2dd68fe209.exe
Size

59KB
MD5

675c96d4fe5ac90a7d408f2dd68fe209
SHA1

57c592fca7340802e2caa1573db84925ca8c7e9a
SHA256

e1e8681d20f9a6b12ee86e10b9f4c123f057ecf270018449aac422d6b14f9037
SHA512

652a32f0006e703e8a48ee4cd00d046dbbdbd0e47eb3031b5a1539edae0ec20fa8c0b3d2716b11bc8ac335fb960666c933252b8b9a494cd3d8bb81c1ffbce3ec
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFGocAX3LKew369lp2z3d:SKcR4mjD9r823FHKcR4mjD9r823Fz7y

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2204	CTS.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2092-0-0x0000000000FB0000-0x0000000000FC7000-memory.dmp	upx
behavioral1/files/0x0009000000012270-10.dat	upx
behavioral1/memory/2092-8-0x0000000000FB0000-0x0000000000FC7000-memory.dmp	upx
behavioral1/memory/2204-12-0x0000000001230000-0x0000000001247000-memory.dmp	upx
behavioral1/files/0x000a000000012263-14.dat	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	675c96d4fe5ac90a7d408f2dd68fe209.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	675c96d4fe5ac90a7d408f2dd68fe209.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2092	675c96d4fe5ac90a7d408f2dd68fe209.exe
Token: SeDebugPrivilege	2204	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2092 wrote to memory of 2204	2092	675c96d4fe5ac90a7d408f2dd68fe209.exe	28
PID 2092 wrote to memory of 2204	2092	675c96d4fe5ac90a7d408f2dd68fe209.exe	28
PID 2092 wrote to memory of 2204	2092	675c96d4fe5ac90a7d408f2dd68fe209.exe	28
PID 2092 wrote to memory of 2204	2092	675c96d4fe5ac90a7d408f2dd68fe209.exe	28

C:\Users\Admin\AppData\Local\Temp\675c96d4fe5ac90a7d408f2dd68fe209.exe
"C:\Users\Admin\AppData\Local\Temp\675c96d4fe5ac90a7d408f2dd68fe209.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2092
- C:\Windows\CTS.exe
  "C:\Windows\CTS.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  PID:2204

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\qfYAc2tsEsBaP0u.exe

Filesize
59KB

MD5
dd35bf650e52682319d01ba5f6964210

SHA1
6ba0e232a43a2e297b6319499d97c2f194bc4210

SHA256
3824b18c208bbb3214d3ce01b60f496319710061812aadaf64d337e7a27ea242

SHA512
a3120768db8a2a583daf871df14afe1ef66c33736c711563be042d8efe43bd6496e2c916aefcf3ad00bd938d6769b462a1c681a9d8c13d091bc67f68b90eb614

Download Submit
C:\Windows\CTS.exe

Filesize
59KB

MD5
5efd390d5f95c8191f5ac33c4db4b143

SHA1
42d81b118815361daa3007f1a40f1576e9a9e0bc

SHA256
6028434636f349d801465f77af3a1e387a9c5032942ca6cadb6506d0800f2a74

SHA512
720fbe253483dc034307a57a2860c8629a760f883603198d1213f5290b7f236bf0f5f237728ebed50962be83dc7dc4abe61a1e9a55218778495fc6580eb20b3d

Download Submit
memory/2092-0-0x0000000000FB0000-0x0000000000FC7000-memory.dmp

Filesize
92KB

Download
memory/2092-8-0x0000000000FB0000-0x0000000000FC7000-memory.dmp

Filesize
92KB

Download
memory/2092-11-0x00000000001E0000-0x00000000001F7000-memory.dmp

Filesize
92KB

Download
memory/2092-18-0x00000000001E0000-0x00000000001F7000-memory.dmp

Filesize
92KB

Download
memory/2204-12-0x0000000001230000-0x0000000001247000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads